Fixed typo

Author: carlos.tasada

.github/workflows/build.yml

@@ -46,7 +46,7 @@ jobs:
       - name: Lint mdx files
         uses: DavidAnson/markdownlint-cli2-action@v16
         with:
-          config: '.markdownlintx.json'
+          config: '.markdownxlint.json'
           globs: './docs/**/*.mdx'
 
       - name: Deploy to GitHub Pages